OV
Raypak
Overvoltage Supply Fault
Display shows OV or OVERVOLT; Raypak pump shuts down to protect electronics.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Incorrect wiring (e.g., 277V on 230V pump), Utility overvoltage, Neutral/ground issues in panel, Internal drive sensing error
How to Fix / Troubleshooting
Safety first: Only a qualified person should measure live voltage. Turn off power before opening any covers.
- Confirm nameplate rating: Check the Raypak pump label for the correct voltage and compare to the supply. If mismatched, correct the wiring or replace with a properly rated pump.
- Measure line voltage: Have a licensed electrician verify that the supply voltage is within spec. Persistent high voltage is a utility or panel issue.
- Inspect grounding: Ensure the pump is properly grounded and bonded per Raypak and NEC requirements. Poor grounding can cause sensing errors.
- Reset and monitor: After correcting any wiring issues, reset the pump. If OV persists with correct voltage, the drive module may be defective.
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Repair Difficulty
Hard
4/5
Required Part
Pump Motor Drive Module
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